The Cartier Tank Must watch, small model, features a High Autonomy quartz movement within a steel case. This Cartier Tank model offers versatility for daily wear or formal engagements. Its interchangeable strap allows a swift transition from day to evening. The refined proportions ensure it rests elegantly on the wrist. Key details Brand: Cartier Type: Quartz Watch Line: Tank Must Material: Steel, Diamonds, Synthetic Spinel, Calfskin